1 /* 2 * GStreamer 3 * Copyright (C) 2015 Vivia Nikolaidou <vivia@toolsonair.com> 4 * 5 * This library is free software; you can redistribute it and/or 6 * modify it under the terms of the GNU Library General Public 7 * License as published by the Free Software Foundation; either 8 * version 2 of the License, or (at your option) any later version. 9 * 10 * This library is distributed in the hope that it will be useful, 11 * but WITHOUT ANY WARRANTY; without even the implied warranty of 12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 * Library General Public License for more details. 14 * 15 * You should have received a copy of the GNU Library General Public 16 * License along with this library; if not, write to the 17 * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor, 18 * Boston, MA 02110-1301, USA. 19 */ 20 21 #ifndef __GST_VIDEOFRAME_AUDIOLEVEL_H__ 22 #define __GST_VIDEOFRAME_AUDIOLEVEL_H__ 23 24 #include <gst/gst.h> 25 #include <gst/audio/audio.h> 26 27 G_BEGIN_DECLS 28 #define GST_TYPE_VIDEOFRAME_AUDIOLEVEL (gst_videoframe_audiolevel_get_type()) 29 #define GST_VIDEOFRAME_AUDIOLEVEL(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevel)) 30 #define GST_IS_VIDEOFRAME_AUDIOLEVEL(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEOFRAME_AUDIOLEVEL)) 31 #define GST_VIDEOFRAME_AUDIOLEVEL_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevelClass)) 32 #define GST_IS_VIDEOFRAME_AUDIOLEVEL_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL)) 33 #define GST_VIDEOFRAME_AUDIOLEVEL_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS((obj) ,GST_TYPE_VIDEOFRAME_AUDIOLEVEL,GstVideoFrameAudioLevelClass)) 34 typedef struct _GstVideoFrameAudioLevel GstVideoFrameAudioLevel; 35 typedef struct _GstVideoFrameAudioLevelClass GstVideoFrameAudioLevelClass; 36 37 struct _GstVideoFrameAudioLevel 38 { 39 GstElement parent; 40 41 GstPad *asrcpad, *asinkpad, *vsrcpad, *vsinkpad; 42 43 GstAudioInfo ainfo; 44 45 gdouble *CS; /* normalized Cumulative Square */ 46 47 GstSegment asegment, vsegment; 48 49 void (*process) (gpointer, guint, guint, gdouble *); 50 51 GQueue vtimeq; 52 GstAdapter *adapter; 53 GstClockTime first_time; 54 guint total_frames; 55 guint64 next_offset, alignment_threshold, discont_time, discont_wait; 56 57 gboolean video_eos_flag; 58 gboolean audio_flush_flag; 59 gboolean shutdown_flag; 60 61 GCond cond; 62 GMutex mutex; 63 }; 64 65 struct _GstVideoFrameAudioLevelClass 66 { 67 GstElementClass parent_class; 68 }; 69 70 GType gst_videoframe_audiolevel_get_type (void); 71 GST_ELEMENT_REGISTER_DECLARE (videoframe_audiolevel); 72 73 G_END_DECLS 74 #endif /* __GST_VIDEOFRAME_AUDIOLEVEL_H__ */ 75